Summary of Business and Significant Accounting Policies - Summary of Stock-Based Compensation Included in Costs and Expenses (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total stock-based compensation expense	$ 470	$ 225	$ 1,210	$ 810
Cost of Revenue
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total stock-based compensation expense	92	28	244	87
Research and Development
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total stock-based compensation expense	102	57	201	212
Sales and Marketing
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total stock-based compensation expense	179	70	472	256
General and Administrative
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total stock-based compensation expense	$ 97	$ 70	$ 293	$ 255

Summary of Business and Significant Accounting Policies - Summary of Stock-Based Compensation Included in Costs and Expenses (Detail) (USD $)
In Thousands, unless otherwise specified

3 Months Ended

9 Months Ended

Mar. 31, 2014

Mar. 31, 2013

Mar. 31, 2014

Mar. 31, 2013

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Total stock-based compensation expense

$ 470

$ 225

$ 1,210

$ 810